This Rum Punch is the drink that keeps the Ninja Slushi machine plugged in year-round, my friend. It's easy to make, smooth, and dangerously easy to sip. It’s giving a rum runner on a beach vacation, even if you’re just sitting on the couch.
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I'll email it to you, so you can come back to it later! You will also get our free digital cookbook with 30-Minute One-Pot Recipes and weekly recipes and tips.
Be sure to read my How-to Guide and Honest Review of the Ninja Slushi Machine here.
You will also love my Ninja Slushi Pina Colada, Hennessy Ninja Slushi, Ninja Slushi Espress Martini, Ninja Slushi Margarita, and Ninja Slushi Daiquiri.
Ninja Slushi Rum Punch Ingredients
- Rum
- Pineapple Juice
- Grenadine
- Club Soda
How to Fix Error Messages Related to Alcohol
If you’ve ever tried whipping up a margarita, piña colada, or any frozen cocktail in your Ninja Slushi machine and ended up staring at an error message, or worse, a sad, watery mess. Trust me, I’ve been there. I went through all the trial and error so you don’t have to. Here’s the real reason it happens (and how to fix it).
- Alcohol and Freezing Don’t Mix Well – Alcohol doesn’t freeze like water, so if your drink is too strong, the machine can’t do its job. Too much liquor = no slush. The machine will either skip the shave or refuse to dispense altogether.
- Your Ratios Are Off – The Ninja Slushi needs balance. You’ve got to have the right mix of alcohol and water-based liquid. Too little liquid, and you’ll be scraping ice chunks. Too much, and it’ll pour out like a cocktail instead of a slushie.
- Thick Mixers Can Mess Things Up – Heavy juices, creamy ingredients, or thick syrups can slow the machine down and make your texture clumpy or uneven. Go lighter with those or mix them in after blending.
- Don’t Overfill It – There’s a reason the machine has fill lines, y’all. If you go over that max line, it’s going to struggle to freeze and dispense properly. Keep it in range for the perfect slush every time.
How to Make The Best Cocktails in the Ninja Slushi Machine
If your drink’s too boozy, the Ninja Slushi machine is gonna let you know. You’ll see the temperature lights start flashing one by one from the bottom up, the preset buttons blinking like crazy, and then it’ll start beeping at you every minute for 15 minutes. That’s your cue to cool it on the alcohol and add a splash of something lighter like water or sparkling water to balance things out.
- Keep It at 1–1.5 oz Alcohol per Serving – Anything more, and your drink won’t freeze up right.
- Add a Little Extra Liquid – Water, juice, or mixer helps it blend smooth and thick instead of icy or runny.
- Start with Cold Ingredients – Pre-chilled liquids help the mix freeze faster and stay slushy longer.
- Go Easy on Thick Syrups or Creamy Stuff – If you use them, thin them out with water or juice so the machine doesn’t struggle.
- Respect the Fill Line (64 oz Max) – Overfilling just throws everything off. Stay in that sweet spot for the perfect pour every time.
How to Make Ninja Slushi Rum Punch
Detailed measurements and full instructions can be found in the recipe card at the bottom of this post.
- Add all of the ingredients to the Ninja Slushi Machine. Be sure not to exceed 64oz. Prepare the drink in batches if necessary. Power on the machine and press Spiked Slush.
- Allow the machine to churn and freeze the mixture until the machine beeps to signal the cycle is finished. You can adjust the thickness of the mixture using the side panel. The drink should take 20-45 minutes. Mine took 25 minutes.
- Pull the lever on the spout to dispense the drink. Serve.
Rum Punch Ninja Slushi Variations and Flavors
- Cherry
- Strawberry
- Orange Juice
- Passion Fruit
- Lime
- Mango
- Coconut Rum
- Coconut Water
Frequently Asked Questions and Pro Tips
Use what you love! Light rum keeps it tropical and fruity, while dark or spiced rum gives a deeper, richer flavor. I usually mix both for the best balance.
Pineapple, and a splash of grenadine are classic, but orange, mango, passion fruit, or fruit punch are great if you want to switch it up.
Using 1 cup of rum makes it decent. I sometimes like to add half a shot to my glass before adding the slushi.
Absolutely! Just double or triple the ingredients and blend in batches. Keep extras chilled in the fridge so you can refill the blender as needed.
Yes! Just skip the rum and use coconut water or a splash of ginger ale instead, it still tastes tropical and refreshing.
Yes! Frozen pineapple or mango makes it thicker and even more tropical. Just skip the ice entirely.
A pineapple wedge, orange slice, or cherry on top, and maybe a paper umbrella if you’re feelin’ fancy.
Texture, baby! That smooth, frozen consistency hits different. No watered-down ice, just pure flavor in every sip, that’s why my Ninja stays plugged in year-round.
More Ninja Slushi Recipes
Ninja Slushi Chick-fil-A Frosted Lemonade
Ninja Slushi Lemonade
Ninja Slushi Wendy's Frosty
Ninja Slushi Cherry Slush
Ninja Slushi Coffee Frappé (Vanilla Caramel)
Ninja Slushi Strawberry Lemonade Slush
Ninja Slushi Vanilla Protein Shake
Ninja Slushi Rum Punch
Want to save this recipe for later?
I'll email it to you, so you can come back to it later! You will also get our free digital cookbook with 30-Minute One-Pot Recipes and weekly recipes and tips.
Equipment
Ingredients
- 1 cup rum
- 4 cups pineapple juice
- ½ cup grenadine
- ½ cup club soda Club soda is optional I like to use it to balance the flavors
Instructions
- Add all of the ingredients to the Ninja Slushi Machine. Be sure not to exceed 64oz. Prepare the drink in batches if necessary. Power on the machine and press Spiked Slush.
- Allow the machine to churn and freeze the mixture until the machine beeps to signal the cycle is finished. You can adjust the thickness of the mixture using the side panel. The drink should take 20-45 minutes. Mine took 25 minutes.
- Pull the lever on the spout to dispense the drink. Serve.
Nutrition
Nutrition Data
Macros are provided as a courtesy and should not be construed as a guarantee. This information is calculated using MyFitnessPal.com. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator. You are solely responsible for ensuring that any nutritional information provided is accurate, complete, and useful.
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